Ecology and Environment ›› 2025, Vol. 34 ›› Issue (1): 56-66.DOI: 10.16258/j.cnki.1674-5906.2025.01.007
• Research Article [Environmental Science] • Previous Articles Next Articles
WANG Yang1,2,3,4(), LI Fan1,2, YAN Xiao1,*(
), MEI Yan1, LI Pei1,2, HUANG Lin1,2, ZHAO Junjie1,2
Received:
2024-08-20
Online:
2025-01-18
Published:
2025-01-21
Contact:
YAN Xiao
汪洋1,2,3,4(), 李帆1,2, 严笑1,*(
), 梅言1, 李培1,2, 黄林1,2, 赵俊杰1,2
通讯作者:
严笑
作者简介:
汪洋(1978年生),男,教授,博士,硕士研究生导师,主要从事人居环境与空间规划研究。E-mail: cqwangyang@foxmail.com
基金资助:
CLC Number:
WANG Yang, LI Fan, YAN Xiao, MEI Yan, LI Pei, HUANG Lin, ZHAO Junjie. Influence of Three-Dimensional Urban Morphology on Winter Aerosol Patterns in High-Density Mountainous City: A Case Study of Chongqing’s Central Urban Area[J]. Ecology and Environment, 2025, 34(1): 56-66.
汪洋, 李帆, 严笑, 梅言, 李培, 黄林, 赵俊杰. 山地高密度城市空间形态对冬季气溶胶格局的约束力探测——重庆中心城区案例研究[J]. 生态环境学报, 2025, 34(1): 56-66.
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URL: https://www.jeesci.com/EN/10.16258/j.cnki.1674-5906.2025.01.007
指标名称 | 计算方法 | 参数含义 |
---|---|---|
建筑密度 (XBD) | Sj ——建筑物基底面积;Sy——用地面积(汪洋等, | |
容积率 (XBVR) | Sz ——总建筑面积;Sy——用地面积(汪洋等, | |
城市表面高程(CSE) | 建筑栅格化后叠加DEM图层,重采样为250 m网格 | 表示人工建筑与地形的叠加高度(汪洋等, |
建筑体积(XAV) | Sj ——建筑物基底面积;F——建筑高度(汪洋等, | |
距主干道距离 (RD) | 基于ArcGIS空间分析,计算建筑几何中心至主干道的最近欧氏距离 | |
天空开阔度 (XSVF) | n——总模拟次数;Paiβj——栅格单元间被遮挡情况;αi ——给定方位角;βj——高度角积分步长(贺文慧等, | |
迎风面积指数 (XFAI) | λf (θ)——垂直于某一风向的建筑迎风面面积与建筑所在地块面积比;Pθ——特定风向的频率,迎风面积指数为16个风向迎风面指数加权和(冯章献等, | |
粗糙度长度 (XRL) | Zd ——零平面位移高度(m);Zh——粗糙元高度(m); λf ——单位地表面积城市建筑迎风面积密度(张强等, | |
归一化植被指数 (XNDVI) | XNDVI= | 基于OLI数据,RNI、R分别表示近红外波段反射值和红色波段反射值(张晓娟等, |
土地利用(LU) | 将土地利用数据采用优势归类法重采样为250 m网格进行统计 | 主要包括工业用地、居住用地、商业用地等15种土地利用形式 |
反演气溶胶光学厚度(AOD) | 利用MODIS数据,根据归一化植被指数(NDVI)确定暗像元,基于暗像元法(贾海峰等, | 使用6S软件通过辐射传输公式构建查找表,根据MODIS数据和查找表进行插值获得AOD |
Table 1 Summary table of quantitative modeling methods for each factor
指标名称 | 计算方法 | 参数含义 |
---|---|---|
建筑密度 (XBD) | Sj ——建筑物基底面积;Sy——用地面积(汪洋等, | |
容积率 (XBVR) | Sz ——总建筑面积;Sy——用地面积(汪洋等, | |
城市表面高程(CSE) | 建筑栅格化后叠加DEM图层,重采样为250 m网格 | 表示人工建筑与地形的叠加高度(汪洋等, |
建筑体积(XAV) | Sj ——建筑物基底面积;F——建筑高度(汪洋等, | |
距主干道距离 (RD) | 基于ArcGIS空间分析,计算建筑几何中心至主干道的最近欧氏距离 | |
天空开阔度 (XSVF) | n——总模拟次数;Paiβj——栅格单元间被遮挡情况;αi ——给定方位角;βj——高度角积分步长(贺文慧等, | |
迎风面积指数 (XFAI) | λf (θ)——垂直于某一风向的建筑迎风面面积与建筑所在地块面积比;Pθ——特定风向的频率,迎风面积指数为16个风向迎风面指数加权和(冯章献等, | |
粗糙度长度 (XRL) | Zd ——零平面位移高度(m);Zh——粗糙元高度(m); λf ——单位地表面积城市建筑迎风面积密度(张强等, | |
归一化植被指数 (XNDVI) | XNDVI= | 基于OLI数据,RNI、R分别表示近红外波段反射值和红色波段反射值(张晓娟等, |
土地利用(LU) | 将土地利用数据采用优势归类法重采样为250 m网格进行统计 | 主要包括工业用地、居住用地、商业用地等15种土地利用形式 |
反演气溶胶光学厚度(AOD) | 利用MODIS数据,根据归一化植被指数(NDVI)确定暗像元,基于暗像元法(贾海峰等, | 使用6S软件通过辐射传输公式构建查找表,根据MODIS数据和查找表进行插值获得AOD |
因子 | AV | BD | BVR | CSE | FAI | NDVI | RD | RL | SVF | LU |
---|---|---|---|---|---|---|---|---|---|---|
q statistic | 0.286 | 0.287 | 0.284 | 0.574* | 0.287 | 0.524* | 0.352* | 0.286 | 0.290 | 0.506* |
Table 2 Urban aerosol single factor detection results
因子 | AV | BD | BVR | CSE | FAI | NDVI | RD | RL | SVF | LU |
---|---|---|---|---|---|---|---|---|---|---|
q statistic | 0.286 | 0.287 | 0.284 | 0.574* | 0.287 | 0.524* | 0.352* | 0.286 | 0.290 | 0.506* |
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